Gremar connector

Gremar made many different connectors, but Tek scopes seem to use only one of their connector systems. So in the context of Tek scopes, "Gremar connector" refers to that system.

It is a self-centering slide-in coaxial connector that is used in the 661 and 568 for trigger signals that are passed between the plug-ins (e.g. 4S1, 5T1, 5T1A) through the mainframe.